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view general/numerical/scalar/logth.m @ 37:beb8a3f4a345

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Renamed prefs to options throughout.
author samer
date Mon, 28 Jan 2013 10:52:11 +0000
parents db7f4afd27c5
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function y=logth(eps,x)
% logth - Natural log with lower threshold
%
% logth :: real~'lower threshold', real -> real.

x(x<eps)=eps; y=log(x);